#HOMEWORK ASSIGNMENT from JPL 🟦🧙🏻‍♂️🚀

https://www.youtube.com/watch?v=BdWe2rs2B5k

Quiz Questions tomorrow

MODULE 4
Command, Control, and Autonomy

Modern lunar planning (including Artemis**) prioritizes south-polar rim sites with ~70–90% solar illumination due to grazing Sun angles and terrain.

This changes:
- average power availability
- reliance on solar during nominal operations

It does *not* change:
- Earth–Moon light-time delay
- comm outages and antenna masking
- the requirement for autonomous safety

https://t.me/AzazelNews/954468

Question 1
In the 1963–1965 lunar nuclear power studies (WANL, CNLM, LESA, Westinghouse), which observation most strongly supports the claim that reactor physics was not the primary development risk?

A. The reactors were designed at relatively low thermal power compared to terrestrial plants.

B. The studies assumed fast-spectrum cores, which reduce moderator mass.

C. Shielding mass estimates were smaller than expected for lunar applications.

D. The presence of RTGs in parallel architectures reduced dependence on the reactor.

E. Criticality control and reactivity behavior were treated as baseline assumptions, while critiques focused on startup, corrosion, and heat rejection.

Question 1

✅ Correct answer: E

Explanation:
Mature engineering programs stop debating feasibility and start debating operations. The papers assume controllable criticality and instead argue over startup from frozen states, liquid-metal corrosion, radiator survivability, and maintenance realism — all system-level concerns.

Question 2

Why does the lunar power plant design rely on stored command sequences executed locally instead of allowing Earth to directly control individual actuators?

A. Because direct actuator commands would require too much communication bandwidth.

B. Because Earth-based operators cannot see the plant’s real-time status clearly enough.

C. Because the plant must remain safe even if communications are delayed, interrupted, or unavailable.

D. Because onboard computers cannot accept direct commands.

E. Because the reactor must operate continuously without shutdown.

Question 2

✅ Correct answer: C

Explanation:
The plant’s safety cannot depend on perfect communications. Stored sequences enforce correct ordering and interlocks locally, ensuring safe behavior even when Earth is delayed or unreachable.

Question 3

At a south-polar rim site with ~70–90% solar illumination, which change most increases the importance of Module 4 autonomy features rather than reducing them?

A. The likelihood that the reactor will be cycled on and off, making reliable autonomous startup and restart logic critical.

B. Increased opportunity to run Earth-in-the-loop control.

C. Reduced need for radiators due to lower average reactor output.

D. The availability of solar power for telemetry transmission.

E. The use of RTGs as backup heat sources.

Question 3

✅ Correct answer: A

Explanation:
High illumination encourages reactor cycling instead of continuous operation. This increases, not decreases, reliance on autonomous startup/shutdown sequencing, decay-heat management, and restart readiness .

#HOMEWORK ASSIGNMENT from JPL 🟦🧙🏻‍♂️🚀

https://www.youtube.com/watch?v=BdWe2rs2B5k

Quiz Questions tomorrow

Q1.
Which capability makes space-based solar power fundamentally different from all prior energy systems discussed in the video?

A. It relies on nuclear reactions rather than chemical or photovoltaic processes
B. It enables wireless, packetized, location-independent energy delivery
C. It eliminates the need for energy storage entirely
D. It requires no regulatory oversight due to inherent safety

Q2.
Why does collecting solar energy in space dramatically increase overall system efficiency compared to Earth-based solar?

A. Space solar panels use fundamentally different materials than Earth panels
B. The absence of gravity allows electrons to move more freely
C. Energy collection is continuous and avoids atmospheric and weather losses
D. Space solar panels generate more energy because the Sun is hotter in orbit

Q3.
LT General Steve Kwast argues that the main barrier to large-scale space-based solar deployment today is:

A. Insufficient launch capability to place large structures in orbit
B. Inability to safely transmit energy through the electromagnetic spectrum
C. Lack of scientific proof that space solar power works
D. Regulatory, investment, and institutional resistance to paradigm change

Q4.
Which example best illustrates the strategic military advantage of space-based energy as described in the video?

A. Reduced maintenance costs for military satellites
B. Elimination of the need for encrypted communications
C. Independent energy supply without fuel convoys or local infrastructure
D. Increased payload capacity for orbital weapons platforms

Q5.
What technical change has shifted spacecraft design constraints from weight-limited to volume-limited, according to the discussion?

A. Advances in solar panel efficiency
B. Reusable heavy-lift launch systems dramatically reducing marginal launch cost
C. Stronger lightweight alloys replacing aluminum
D. Elimination of atmospheric drag in low-Earth orbit

Q6.
When General Kwast describes gravity as “compression” and suggests it represents a form of energy, what is the main point being made?

A. Gravity can already be harvested as a practical energy source using existing technology
B. Gravity is evidence that energy is present everywhere, even though we cannot yet operationalize it
C. Gravity produces more usable energy than solar power in space
D. Gravity-based energy systems will soon replace space-based solar power

GM